feat(backend) update (unfinished)

backend/macros/src/dev.rs

@@ -0,0 +1,6 @@
+#[macro_export]
+macro_rules! dev_consume {
+    ($($var:ident),+) => {
+        $(let _ = $var;)*
+    };
+}

backend/macros/src/lib.rs

@@ -1,2 +1,3 @@
+mod dev;
 mod include_str;
 mod log;